How do I change the thread title?

[Dudenell]

for example this thread:
http://hardforum.com/showthread.php?t=1583661

to
Dudenell's for sale cooling thread. H50, Megahalems, Fan controllers, Delta Fans.

Thanks

 

[bigddybn]

PM a mod or click the ! in the triangle near the post number and ask for it to be changed there.